Any drug used to combat oesophageal reflux[?]. Commonly, following ingestion a 'raft' of alginic acid is created, floating on the stomach contents by carbon dioxide released by the drug. This forms a mechanical barrier to further reflux. Some preparations also contain antacids to protect the oesophagus.
... the scrotum.
Infection of the urethra is urethritis, said to be more common in females than males. Urethritis is a common cause of dysuria[?] (pain when urinating).
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